/* ** types.cpp ** Implements the VM type hierarchy ** **--------------------------------------------------------------------------- ** Copyright 2008-2016 Randy Heit ** Copyright 2016-2017 Cheistoph Oelckers ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions ** are met: ** ** 1. Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** 2. Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in the ** documentation and/or other materials provided with the distribution. ** 3. The name of the author may not be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **--------------------------------------------------------------------------- ** */ #include "vmintern.h" #include "s_sound.h" #include "dthinker.h" #include "types.h" FTypeTable TypeTable; PErrorType *TypeError; PErrorType *TypeAuto; PVoidType *TypeVoid; PInt *TypeSInt8, *TypeUInt8; PInt *TypeSInt16, *TypeUInt16; PInt *TypeSInt32, *TypeUInt32; PBool *TypeBool; PFloat *TypeFloat32, *TypeFloat64; PString *TypeString; PName *TypeName; PSound *TypeSound; PColor *TypeColor; PTextureID *TypeTextureID; PSpriteID *TypeSpriteID; PStatePointer *TypeState; PPointer *TypeFont; PStateLabel *TypeStateLabel; PStruct *TypeVector2; PStruct *TypeVector3; PStruct *TypeColorStruct; PStruct *TypeStringStruct; PPointer *TypeNullPtr; PPointer *TypeVoidPtr; // CODE -------------------------------------------------------------------- void DumpTypeTable() { int used = 0; int min = INT_MAX; int max = 0; int all = 0; int lens[10] = {0}; for (size_t i = 0; i < countof(TypeTable.TypeHash); ++i) { int len = 0; Printf("%4zu:", i); for (PType *ty = TypeTable.TypeHash[i]; ty != nullptr; ty = ty->HashNext) { Printf(" -> %s", ty->DescriptiveName()); len++; all++; } if (len != 0) { used++; if (len < min) min = len; if (len > max) max = len; } if (len < (int)countof(lens)) { lens[len]++; } Printf("\n"); } Printf("Used buckets: %d/%lu (%.2f%%) for %d entries\n", used, countof(TypeTable.TypeHash), double(used)/countof(TypeTable.TypeHash)*100, all); Printf("Min bucket size: %d\n", min); Printf("Max bucket size: %d\n", max); Printf("Avg bucket size: %.2f\n", double(all) / used); int j,k; for (k = countof(lens)-1; k > 0; --k) if (lens[k]) break; for (j = 0; j <= k; ++j) Printf("Buckets of len %d: %d (%.2f%%)\n", j, lens[j], j!=0?double(lens[j])/used*100:-1.0); } /* PType ******************************************************************/ //========================================================================== // // PType Parameterized Constructor // //========================================================================== PType::PType(unsigned int size, unsigned int align) : Size(size), Align(align), HashNext(nullptr) { mDescriptiveName = "Type"; loadOp = OP_NOP; storeOp = OP_NOP; moveOp = OP_NOP; RegType = REGT_NIL; RegCount = 1; } //========================================================================== // // PType Destructor // //========================================================================== PType::~PType() { } //========================================================================== // // PType :: WriteValue // //========================================================================== void PType::WriteValue(FSerializer &ar, const char *key,const void *addr) const { assert(0 && "Cannot write value for this type"); } //========================================================================== // // PType :: ReadValue // //========================================================================== bool PType::ReadValue(FSerializer &ar, const char *key, void *addr) const { assert(0 && "Cannot read value for this type"); return false; } //========================================================================== // // PType :: SetDefaultValue // //========================================================================== void PType::SetDefaultValue(void *base, unsigned offset, TArray *stroffs) { } //========================================================================== // // PType :: SetDefaultValue // //========================================================================== void PType::SetPointer(void *base, unsigned offset, TArray *stroffs) { } void PType::SetPointerArray(void *base, unsigned offset, TArray *stroffs) { } //========================================================================== // // PType :: InitializeValue // //========================================================================== void PType::InitializeValue(void *addr, const void *def) const { } //========================================================================== // // PType :: DestroyValue // //========================================================================== void PType::DestroyValue(void *addr) const { } //========================================================================== // // PType :: SetValue // //========================================================================== void PType::SetValue(void *addr, int val) { assert(0 && "Cannot set int value for this type"); } void PType::SetValue(void *addr, double val) { assert(0 && "Cannot set float value for this type"); } //========================================================================== // // PType :: GetValue // //========================================================================== int PType::GetValueInt(void *addr) const { assert(0 && "Cannot get value for this type"); return 0; } double PType::GetValueFloat(void *addr) const { assert(0 && "Cannot get value for this type"); return 0; } //========================================================================== // // PType :: IsMatch // //========================================================================== bool PType::IsMatch(intptr_t id1, intptr_t id2) const { return false; } //========================================================================== // // PType :: GetTypeIDs // //========================================================================== void PType::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = 0; id2 = 0; } //========================================================================== // // PType :: GetTypeIDs // //========================================================================== const char *PType::DescriptiveName() const { return mDescriptiveName.GetChars(); } //========================================================================== // // PType :: StaticInit STATIC // //========================================================================== void PType::StaticInit() { // Create types and add them type the type table. TypeTable.AddType(TypeError = new PErrorType, NAME_None); TypeTable.AddType(TypeAuto = new PErrorType(2), NAME_None); TypeTable.AddType(TypeVoid = new PVoidType, NAME_Void); TypeTable.AddType(TypeSInt8 = new PInt(1, false), NAME_Int); TypeTable.AddType(TypeUInt8 = new PInt(1, true), NAME_Int); TypeTable.AddType(TypeSInt16 = new PInt(2, false), NAME_Int); TypeTable.AddType(TypeUInt16 = new PInt(2, true), NAME_Int); TypeTable.AddType(TypeSInt32 = new PInt(4, false), NAME_Int); TypeTable.AddType(TypeUInt32 = new PInt(4, true), NAME_Int); TypeTable.AddType(TypeBool = new PBool, NAME_Bool); TypeTable.AddType(TypeFloat32 = new PFloat(4), NAME_Float); TypeTable.AddType(TypeFloat64 = new PFloat(8), NAME_Float); TypeTable.AddType(TypeString = new PString, NAME_String); TypeTable.AddType(TypeName = new PName, NAME_Name); TypeTable.AddType(TypeSound = new PSound, NAME_Sound); TypeTable.AddType(TypeColor = new PColor, NAME_Color); TypeTable.AddType(TypeState = new PStatePointer, NAME_Pointer); TypeTable.AddType(TypeStateLabel = new PStateLabel, NAME_Label); TypeTable.AddType(TypeNullPtr = new PPointer, NAME_Pointer); TypeTable.AddType(TypeSpriteID = new PSpriteID, NAME_SpriteID); TypeTable.AddType(TypeTextureID = new PTextureID, NAME_TextureID); TypeVoidPtr = NewPointer(TypeVoid, false); TypeColorStruct = NewStruct("@ColorStruct", nullptr); //This name is intentionally obfuscated so that it cannot be used explicitly. The point of this type is to gain access to the single channels of a color value. TypeStringStruct = NewStruct("Stringstruct", nullptr, true); TypeFont = NewPointer(NewStruct("Font", nullptr, true)); #ifdef __BIG_ENDIAN__ TypeColorStruct->AddField(NAME_a, TypeUInt8); TypeColorStruct->AddField(NAME_r, TypeUInt8); TypeColorStruct->AddField(NAME_g, TypeUInt8); TypeColorStruct->AddField(NAME_b, TypeUInt8); #else TypeColorStruct->AddField(NAME_b, TypeUInt8); TypeColorStruct->AddField(NAME_g, TypeUInt8); TypeColorStruct->AddField(NAME_r, TypeUInt8); TypeColorStruct->AddField(NAME_a, TypeUInt8); #endif TypeVector2 = new PStruct(NAME_Vector2, nullptr); TypeVector2->AddField(NAME_X, TypeFloat64); TypeVector2->AddField(NAME_Y, TypeFloat64); TypeTable.AddType(TypeVector2, NAME_Struct); TypeVector2->loadOp = OP_LV2; TypeVector2->storeOp = OP_SV2; TypeVector2->moveOp = OP_MOVEV2; TypeVector2->RegType = REGT_FLOAT; TypeVector2->RegCount = 2; TypeVector3 = new PStruct(NAME_Vector3, nullptr); TypeVector3->AddField(NAME_X, TypeFloat64); TypeVector3->AddField(NAME_Y, TypeFloat64); TypeVector3->AddField(NAME_Z, TypeFloat64); // allow accessing xy as a vector2. This is not supposed to be serialized so it's marked transient TypeVector3->Symbols.AddSymbol(Create(NAME_XY, TypeVector2, VARF_Transient, 0)); TypeTable.AddType(TypeVector3, NAME_Struct); TypeVector3->loadOp = OP_LV3; TypeVector3->storeOp = OP_SV3; TypeVector3->moveOp = OP_MOVEV3; TypeVector3->RegType = REGT_FLOAT; TypeVector3->RegCount = 3; Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_sByte, TypeSInt8)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Byte, TypeUInt8)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Short, TypeSInt16)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_uShort, TypeUInt16)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Int, TypeSInt32)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_uInt, TypeUInt32)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Bool, TypeBool)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Float, TypeFloat64)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Double, TypeFloat64)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Float32, TypeFloat32)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Float64, TypeFloat64)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_String, TypeString)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Name, TypeName)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Sound, TypeSound)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Color, TypeColor)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_State, TypeState)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Vector2, TypeVector2)); Namespaces.GlobalNamespace->Symbols.AddSymbol(Create(NAME_Vector3, TypeVector3)); } /* PBasicType *************************************************************/ //========================================================================== // // PBasicType Parameterized Constructor // //========================================================================== PBasicType::PBasicType(unsigned int size, unsigned int align) : PType(size, align) { mDescriptiveName = "BasicType"; Flags |= TYPE_Scalar; } /* PCompoundType **********************************************************/ //========================================================================== // // PBasicType Parameterized Constructor // //========================================================================== PCompoundType::PCompoundType(unsigned int size, unsigned int align) : PType(size, align) { mDescriptiveName = "CompoundType"; } /* PContainerType *************************************************************/ //========================================================================== // // PContainerType :: IsMatch // //========================================================================== bool PContainerType::IsMatch(intptr_t id1, intptr_t id2) const { const PTypeBase *outer = (const PTypeBase *)id1; FName name = (ENamedName)(intptr_t)id2; return Outer == outer && TypeName == name; } //========================================================================== // // PContainerType :: GetTypeIDs // //========================================================================== void PContainerType::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)Outer; id2 = TypeName; } /* PInt *******************************************************************/ //========================================================================== // // PInt Parameterized Constructor // //========================================================================== PInt::PInt(unsigned int size, bool unsign, bool compatible) : PBasicType(size, size), Unsigned(unsign), IntCompatible(compatible) { mDescriptiveName.Format("%cInt%d", unsign? 'U':'S', size); Flags |= TYPE_Int; MemberOnly = (size < 4); if (!unsign) { int maxval = (1u << ((8 * size) - 1)) - 1; // compute as unsigned to prevent overflow before -1 int minval = -maxval - 1; Symbols.AddSymbol(Create(NAME_Min, this, minval)); Symbols.AddSymbol(Create(NAME_Max, this, maxval)); } else { Symbols.AddSymbol(Create(NAME_Min, this, 0u)); Symbols.AddSymbol(Create(NAME_Max, this, (1u << ((8 * size) - 1)))); } SetOps(); } void PInt::SetOps() { moveOp = OP_MOVE; RegType = REGT_INT; if (Size == 4) { storeOp = OP_SW; loadOp = OP_LW; } else if (Size == 1) { storeOp = OP_SB; loadOp = Unsigned ? OP_LBU : OP_LB; } else if (Size == 2) { storeOp = OP_SH; loadOp = Unsigned ? OP_LHU : OP_LH; } else { assert(0 && "Unhandled integer size"); storeOp = OP_NOP; } } //========================================================================== // // PInt :: WriteValue // //========================================================================== void PInt::WriteValue(FSerializer &ar, const char *key,const void *addr) const { if (Size == 8 && Unsigned) { // this is a special case that cannot be represented by an int64_t. uint64_t val = *(uint64_t*)addr; ar(key, val); } else { int64_t val; switch (Size) { case 1: val = Unsigned ? *(uint8_t*)addr : *(int8_t*)addr; break; case 2: val = Unsigned ? *(uint16_t*)addr : *(int16_t*)addr; break; case 4: val = Unsigned ? *(uint32_t*)addr : *(int32_t*)addr; break; case 8: val = *(int64_t*)addr; break; default: return; // something invalid } ar(key, val); } } //========================================================================== // // PInt :: ReadValue // //========================================================================== bool PInt::ReadValue(FSerializer &ar, const char *key, void *addr) const { NumericValue val; ar(key, val); if (val.type == NumericValue::NM_invalid) return false; // not found or usable if (val.type == NumericValue::NM_float) val.signedval = (int64_t)val.floatval; // No need to check the unsigned state here. Downcasting to smaller types will yield the same result for both. switch (Size) { case 1: *(uint8_t*)addr = (uint8_t)val.signedval; break; case 2: *(uint16_t*)addr = (uint16_t)val.signedval; break; case 4: *(uint32_t*)addr = (uint32_t)val.signedval; break; case 8: *(uint64_t*)addr = (uint64_t)val.signedval; break; default: return false; // something invalid } return true; } //========================================================================== // // PInt :: SetValue // //========================================================================== void PInt::SetValue(void *addr, int val) { assert(((intptr_t)addr & (Align - 1)) == 0 && "unaligned address"); if (Size == 4) { *(int *)addr = val; } else if (Size == 1) { *(uint8_t *)addr = val; } else if (Size == 2) { *(uint16_t *)addr = val; } else if (Size == 8) { *(uint64_t *)addr = val; } else { assert(0 && "Unhandled integer size"); } } void PInt::SetValue(void *addr, double val) { SetValue(addr, (int)val); } //========================================================================== // // PInt :: GetValueInt // //========================================================================== int PInt::GetValueInt(void *addr) const { assert(((intptr_t)addr & (Align - 1)) == 0 && "unaligned address"); if (Size == 4) { return *(int *)addr; } else if (Size == 1) { return Unsigned ? *(uint8_t *)addr : *(int8_t *)addr; } else if (Size == 2) { return Unsigned ? *(uint16_t *)addr : *(int16_t *)addr; } else if (Size == 8) { // truncated output return (int)*(uint64_t *)addr; } else { assert(0 && "Unhandled integer size"); return 0; } } //========================================================================== // // PInt :: GetValueFloat // //========================================================================== double PInt::GetValueFloat(void *addr) const { return GetValueInt(addr); } //========================================================================== // // PInt :: GetStoreOp // //========================================================================== /* PBool ******************************************************************/ //========================================================================== // // PInt :: SetValue // //========================================================================== void PBool::SetValue(void *addr, int val) { *(bool*)addr = !!val; } void PBool::SetValue(void *addr, double val) { *(bool*)addr = val != 0.; } int PBool::GetValueInt(void *addr) const { return *(bool *)addr; } double PBool::GetValueFloat(void *addr) const { return *(bool *)addr; } //========================================================================== // // PBool Default Constructor // //========================================================================== PBool::PBool() : PInt(sizeof(bool), true) { mDescriptiveName = "Bool"; MemberOnly = false; Flags |= TYPE_IntNotInt; } /* PFloat *****************************************************************/ //========================================================================== // // PFloat Parameterized Constructor // //========================================================================== PFloat::PFloat(unsigned int size) : PBasicType(size, size) { mDescriptiveName.Format("Float%d", size); Flags |= TYPE_Float; if (size == 8) { if (sizeof(void*) == 4) { // Some ABIs for 32-bit platforms define alignment of double type as 4 bytes // Intel POSIX (System V ABI) and PowerPC Macs are examples of those struct AlignmentCheck { uint8_t i; double d; }; Align = static_cast(offsetof(AlignmentCheck, d)); } SetDoubleSymbols(); } else { assert(size == 4); MemberOnly = true; SetSingleSymbols(); } SetOps(); } //========================================================================== // // PFloat :: SetDoubleSymbols // // Setup constant values for 64-bit floats. // //========================================================================== void PFloat::SetDoubleSymbols() { static const SymbolInitF symf[] = { { NAME_Min_Normal, DBL_MIN }, { NAME_Max, DBL_MAX }, { NAME_Epsilon, DBL_EPSILON }, { NAME_NaN, std::numeric_limits::quiet_NaN() }, { NAME_Infinity, std::numeric_limits::infinity() }, { NAME_Min_Denormal, std::numeric_limits::denorm_min() } }; static const SymbolInitI symi[] = { { NAME_Dig, DBL_DIG }, { NAME_Min_Exp, DBL_MIN_EXP }, { NAME_Max_Exp, DBL_MAX_EXP }, { NAME_Mant_Dig, DBL_MANT_DIG }, { NAME_Min_10_Exp, DBL_MIN_10_EXP }, { NAME_Max_10_Exp, DBL_MAX_10_EXP } }; SetSymbols(symf, countof(symf)); SetSymbols(symi, countof(symi)); } //========================================================================== // // PFloat :: SetSingleSymbols // // Setup constant values for 32-bit floats. // //========================================================================== void PFloat::SetSingleSymbols() { static const SymbolInitF symf[] = { { NAME_Min_Normal, FLT_MIN }, { NAME_Max, FLT_MAX }, { NAME_Epsilon, FLT_EPSILON }, { NAME_NaN, std::numeric_limits::quiet_NaN() }, { NAME_Infinity, std::numeric_limits::infinity() }, { NAME_Min_Denormal, std::numeric_limits::denorm_min() } }; static const SymbolInitI symi[] = { { NAME_Dig, FLT_DIG }, { NAME_Min_Exp, FLT_MIN_EXP }, { NAME_Max_Exp, FLT_MAX_EXP }, { NAME_Mant_Dig, FLT_MANT_DIG }, { NAME_Min_10_Exp, FLT_MIN_10_EXP }, { NAME_Max_10_Exp, FLT_MAX_10_EXP } }; SetSymbols(symf, countof(symf)); SetSymbols(symi, countof(symi)); } //========================================================================== // // PFloat :: SetSymbols // //========================================================================== void PFloat::SetSymbols(const PFloat::SymbolInitF *sym, size_t count) { for (size_t i = 0; i < count; ++i) { Symbols.AddSymbol(Create(sym[i].Name, this, sym[i].Value)); } } void PFloat::SetSymbols(const PFloat::SymbolInitI *sym, size_t count) { for (size_t i = 0; i < count; ++i) { Symbols.AddSymbol(Create(sym[i].Name, this, sym[i].Value)); } } //========================================================================== // // PFloat :: WriteValue // //========================================================================== void PFloat::WriteValue(FSerializer &ar, const char *key,const void *addr) const { if (Size == 8) { ar(key, *(double*)addr); } else { ar(key, *(float*)addr); } } //========================================================================== // // PFloat :: ReadValue // //========================================================================== bool PFloat::ReadValue(FSerializer &ar, const char *key, void *addr) const { NumericValue val; ar(key, val); if (val.type == NumericValue::NM_invalid) return false; // not found or usable else if (val.type == NumericValue::NM_signed) val.floatval = (double)val.signedval; else if (val.type == NumericValue::NM_unsigned) val.floatval = (double)val.unsignedval; if (Size == 8) { *(double*)addr = val.floatval; } else { *(float*)addr = (float)val.floatval; } return true; } //========================================================================== // // PFloat :: SetValue // //========================================================================== void PFloat::SetValue(void *addr, int val) { return SetValue(addr, (double)val); } void PFloat::SetValue(void *addr, double val) { assert(((intptr_t)addr & (Align - 1)) == 0 && "unaligned address"); if (Size == 4) { *(float *)addr = (float)val; } else { assert(Size == 8); *(double *)addr = val; } } //========================================================================== // // PFloat :: GetValueInt // //========================================================================== int PFloat::GetValueInt(void *addr) const { return xs_ToInt(GetValueFloat(addr)); } //========================================================================== // // PFloat :: GetValueFloat // //========================================================================== double PFloat::GetValueFloat(void *addr) const { assert(((intptr_t)addr & (Align - 1)) == 0 && "unaligned address"); if (Size == 4) { return *(float *)addr; } else { assert(Size == 8); return *(double *)addr; } } //========================================================================== // // PFloat :: GetStoreOp // //========================================================================== void PFloat::SetOps() { if (Size == 4) { storeOp = OP_SSP; loadOp = OP_LSP; } else { assert(Size == 8); storeOp = OP_SDP; loadOp = OP_LDP; } moveOp = OP_MOVEF; RegType = REGT_FLOAT; } /* PString ****************************************************************/ //========================================================================== // // PString Default Constructor // //========================================================================== PString::PString() : PBasicType(sizeof(FString), alignof(FString)) { mDescriptiveName = "String"; storeOp = OP_SS; loadOp = OP_LS; moveOp = OP_MOVES; RegType = REGT_STRING; } //========================================================================== // // PString :: WriteValue // //========================================================================== void PString::WriteValue(FSerializer &ar, const char *key,const void *addr) const { ar(key, *(FString*)addr); } //========================================================================== // // PString :: ReadValue // //========================================================================== bool PString::ReadValue(FSerializer &ar, const char *key, void *addr) const { const char *cptr; ar.StringPtr(key, cptr); if (cptr == nullptr) { return false; } else { *(FString*)addr = cptr; return true; } } //========================================================================== // // PString :: SetDefaultValue // //========================================================================== void PString::SetDefaultValue(void *base, unsigned offset, TArray *special) { if (base != nullptr) new((uint8_t *)base + offset) FString; if (special != nullptr) { special->Push(std::make_pair(this, offset)); } } //========================================================================== // // PString :: InitializeValue // //========================================================================== void PString::InitializeValue(void *addr, const void *def) const { if (def != nullptr) { new(addr) FString(*(FString *)def); } else { new(addr) FString; } } //========================================================================== // // PString :: DestroyValue // //========================================================================== void PString::DestroyValue(void *addr) const { ((FString *)addr)->~FString(); } /* PName ******************************************************************/ //========================================================================== // // PName Default Constructor // //========================================================================== PName::PName() : PInt(sizeof(FName), true, false) { mDescriptiveName = "Name"; Flags |= TYPE_IntNotInt; assert(sizeof(FName) == alignof(FName)); } //========================================================================== // // PName :: WriteValue // //========================================================================== void PName::WriteValue(FSerializer &ar, const char *key,const void *addr) const { const char *cptr = ((const FName*)addr)->GetChars(); ar.StringPtr(key, cptr); } //========================================================================== // // PName :: ReadValue // //========================================================================== bool PName::ReadValue(FSerializer &ar, const char *key, void *addr) const { const char *cptr; ar.StringPtr(key, cptr); if (cptr == nullptr) { return false; } else { *(FName*)addr = FName(cptr); return true; } } /* PSpriteID ******************************************************************/ //========================================================================== // // PName Default Constructor // //========================================================================== PSpriteID::PSpriteID() : PInt(sizeof(int), true, true) { Flags |= TYPE_IntNotInt; mDescriptiveName = "SpriteID"; } //========================================================================== // // PName :: WriteValue // //========================================================================== void PSpriteID::WriteValue(FSerializer &ar, const char *key, const void *addr) const { int32_t val = *(int*)addr; ar.Sprite(key, val, nullptr); } //========================================================================== // // PName :: ReadValue // //========================================================================== bool PSpriteID::ReadValue(FSerializer &ar, const char *key, void *addr) const { int32_t val; ar.Sprite(key, val, nullptr); *(int*)addr = val; return true; } /* PTextureID ******************************************************************/ //========================================================================== // // PTextureID Default Constructor // //========================================================================== PTextureID::PTextureID() : PInt(sizeof(FTextureID), true, false) { mDescriptiveName = "TextureID"; Flags |= TYPE_IntNotInt; assert(sizeof(FTextureID) == alignof(FTextureID)); } //========================================================================== // // PTextureID :: WriteValue // //========================================================================== void PTextureID::WriteValue(FSerializer &ar, const char *key, const void *addr) const { FTextureID val = *(FTextureID*)addr; ar(key, val); } //========================================================================== // // PTextureID :: ReadValue // //========================================================================== bool PTextureID::ReadValue(FSerializer &ar, const char *key, void *addr) const { FTextureID val; ar(key, val); *(FTextureID*)addr = val; return true; } /* PSound *****************************************************************/ //========================================================================== // // PSound Default Constructor // //========================================================================== PSound::PSound() : PInt(sizeof(FSoundID), true) { mDescriptiveName = "Sound"; Flags |= TYPE_IntNotInt; assert(sizeof(FSoundID) == alignof(FSoundID)); } //========================================================================== // // PSound :: WriteValue // //========================================================================== void PSound::WriteValue(FSerializer &ar, const char *key,const void *addr) const { const char *cptr = *(const FSoundID *)addr; ar.StringPtr(key, cptr); } //========================================================================== // // PSound :: ReadValue // //========================================================================== bool PSound::ReadValue(FSerializer &ar, const char *key, void *addr) const { const char *cptr; ar.StringPtr(key, cptr); if (cptr == nullptr) { return false; } else { *(FSoundID *)addr = FSoundID(cptr); return true; } } /* PColor *****************************************************************/ //========================================================================== // // PColor Default Constructor // //========================================================================== PColor::PColor() : PInt(sizeof(PalEntry), true) { mDescriptiveName = "Color"; Flags |= TYPE_IntNotInt; assert(sizeof(PalEntry) == alignof(PalEntry)); } /* PStateLabel *****************************************************************/ //========================================================================== // // PStateLabel Default Constructor // //========================================================================== PStateLabel::PStateLabel() : PInt(sizeof(int), false, false) { Flags |= TYPE_IntNotInt; mDescriptiveName = "StateLabel"; } /* PPointer ***************************************************************/ //========================================================================== // // PPointer - Default Constructor // //========================================================================== PPointer::PPointer() : PBasicType(sizeof(void *), alignof(void *)), PointedType(nullptr), IsConst(false) { mDescriptiveName = "NullPointer"; loadOp = OP_LP; storeOp = OP_SP; moveOp = OP_MOVEA; RegType = REGT_POINTER; Flags |= TYPE_Pointer; } //========================================================================== // // PPointer - Parameterized Constructor // //========================================================================== PPointer::PPointer(PType *pointsat, bool isconst) : PBasicType(sizeof(void *), alignof(void *)), PointedType(pointsat), IsConst(isconst) { if (pointsat != nullptr) { mDescriptiveName.Format("Pointer<%s%s>", pointsat->DescriptiveName(), isconst ? "readonly " : ""); mVersion = pointsat->mVersion; } else { mDescriptiveName = "Pointer"; mVersion = 0; } loadOp = OP_LP; storeOp = OP_SP; moveOp = OP_MOVEA; RegType = REGT_POINTER; Flags |= TYPE_Pointer; } //========================================================================== // // PPointer :: IsMatch // //========================================================================== bool PPointer::IsMatch(intptr_t id1, intptr_t id2) const { assert(id2 == 0 || id2 == 1); PType *pointat = (PType *)id1; return pointat == PointedType && (!!id2) == IsConst; } //========================================================================== // // PPointer :: GetTypeIDs // //========================================================================== void PPointer::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)PointedType; id2 = 0; } //========================================================================== // // PPointer :: WriteValue // //========================================================================== void PPointer::WriteValue(FSerializer &ar, const char *key,const void *addr) const { if (writer != nullptr) { writer(ar, key, addr); } else { I_Error("Attempt to save pointer to unhandled type %s", PointedType->DescriptiveName()); } } //========================================================================== // // PPointer :: ReadValue // //========================================================================== bool PPointer::ReadValue(FSerializer &ar, const char *key, void *addr) const { if (reader != nullptr) { return reader(ar, key, addr); } return false; } /* PObjectPointer **********************************************************/ //========================================================================== // // PPointer :: GetStoreOp // //========================================================================== PObjectPointer::PObjectPointer(PClass *cls, bool isconst) : PPointer(cls->VMType, isconst) { loadOp = OP_LO; Flags |= TYPE_ObjectPointer; // Non-destroyed thinkers are always guaranteed to be linked into the thinker chain so we don't need the write barrier for them. if (cls && !cls->IsDescendantOf(RUNTIME_CLASS(DThinker))) storeOp = OP_SO; } //========================================================================== // // PPointer :: SetPointer // //========================================================================== void PObjectPointer::SetPointer(void *base, unsigned offset, TArray *special) { // Add to the list of pointers for this class. special->Push(offset); } //========================================================================== // // PPointer :: WriteValue // //========================================================================== void PObjectPointer::WriteValue(FSerializer &ar, const char *key, const void *addr) const { ar(key, *(DObject **)addr); } //========================================================================== // // PPointer :: ReadValue // //========================================================================== bool PObjectPointer::ReadValue(FSerializer &ar, const char *key, void *addr) const { bool res; ::Serialize(ar, key, *(DObject **)addr, nullptr, &res); return res; } //========================================================================== // // NewPointer // // Returns a PPointer to an object of the specified type // //========================================================================== PPointer *NewPointer(PType *type, bool isconst) { auto cp = PType::toClass(type); if (cp) return NewPointer(cp->Descriptor, isconst); size_t bucket; PType *ptype = TypeTable.FindType(NAME_Pointer, (intptr_t)type, isconst ? 1 : 0, &bucket); if (ptype == nullptr) { ptype = new PPointer(type, isconst); TypeTable.AddType(ptype, NAME_Pointer, (intptr_t)type, isconst ? 1 : 0, bucket); } return static_cast(ptype); } PPointer *NewPointer(PClass *cls, bool isconst) { assert(cls->VMType != nullptr); auto type = cls->VMType; size_t bucket; PType *ptype = TypeTable.FindType(NAME_Pointer, (intptr_t)type, isconst ? 1 : 0, &bucket); if (ptype == nullptr) { ptype = new PObjectPointer(cls, isconst); TypeTable.AddType(ptype, NAME_Pointer, (intptr_t)type, isconst ? 1 : 0, bucket); } return static_cast(ptype); } /* PStatePointer **********************************************************/ //========================================================================== // // PStatePointer Default Constructor // //========================================================================== PStatePointer::PStatePointer() { mDescriptiveName = "Pointer"; PointedType = NewStruct(NAME_State, nullptr, true); IsConst = true; } //========================================================================== // // PStatePointer :: WriteValue // //========================================================================== void PStatePointer::WriteValue(FSerializer &ar, const char *key, const void *addr) const { ar(key, *(FState **)addr); } //========================================================================== // // PStatePointer :: ReadValue // //========================================================================== bool PStatePointer::ReadValue(FSerializer &ar, const char *key, void *addr) const { bool res = false; ::Serialize(ar, key, *(FState **)addr, nullptr, &res); return res; } /* PClassPointer **********************************************************/ //========================================================================== // // PClassPointer - Parameterized Constructor // //========================================================================== PClassPointer::PClassPointer(PClass *restrict) : PPointer(restrict->VMType), ClassRestriction(restrict) { if (restrict) mDescriptiveName.Format("ClassPointer<%s>", restrict->TypeName.GetChars()); else mDescriptiveName = "ClassPointer"; loadOp = OP_LP; storeOp = OP_SP; Flags |= TYPE_ClassPointer; mVersion = restrict->VMType->mVersion; } //========================================================================== // // PPointer :: WriteValue // //========================================================================== void PClassPointer::WriteValue(FSerializer &ar, const char *key, const void *addr) const { ar(key, *(PClass **)addr); } //========================================================================== // // PPointer :: ReadValue // //========================================================================== bool PClassPointer::ReadValue(FSerializer &ar, const char *key, void *addr) const { ::Serialize(ar, key, *(PClass **)addr, (PClass**)nullptr); return false; } //========================================================================== // // PClassPointer - isCompatible // //========================================================================== bool PClassPointer::isCompatible(PType *type) { auto other = PType::toClassPointer(type); return (other != nullptr && other->ClassRestriction->IsDescendantOf(ClassRestriction)); } //========================================================================== // // PClassPointer :: SetPointer // //========================================================================== void PClassPointer::SetPointer(void *base, unsigned offset, TArray *special) { } //========================================================================== // // PClassPointer :: IsMatch // //========================================================================== bool PClassPointer::IsMatch(intptr_t id1, intptr_t id2) const { const PClass *classat = (const PClass *)id2; return classat == ClassRestriction; } //========================================================================== // // PClassPointer :: GetTypeIDs // //========================================================================== void PClassPointer::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = 0; id2 = (intptr_t)ClassRestriction; } //========================================================================== // // NewClassPointer // // Returns a PClassPointer for the restricted type. // //========================================================================== PClassPointer *NewClassPointer(PClass *restrict) { size_t bucket; PType *ptype = TypeTable.FindType(NAME_Class, 0, (intptr_t)restrict, &bucket); if (ptype == nullptr) { ptype = new PClassPointer(restrict); TypeTable.AddType(ptype, NAME_Class, 0, (intptr_t)restrict, bucket); } return static_cast(ptype); } /* PEnum ******************************************************************/ //========================================================================== // // PEnum - Parameterized Constructor // //========================================================================== PEnum::PEnum(FName name, PTypeBase *outer) : PInt(4, false) { EnumName = name; Outer = outer; Flags |= TYPE_IntNotInt; mDescriptiveName.Format("Enum<%s>", name.GetChars()); } //========================================================================== // // NewEnum // // Returns a PEnum for the given name and container, making sure not to // create duplicates. // //========================================================================== PEnum *NewEnum(FName name, PTypeBase *outer) { size_t bucket; if (outer == nullptr) outer = Namespaces.GlobalNamespace; PType *etype = TypeTable.FindType(NAME_Enum, (intptr_t)outer, (intptr_t)name, &bucket); if (etype == nullptr) { etype = new PEnum(name, outer); TypeTable.AddType(etype, NAME_Enum, (intptr_t)outer, (intptr_t)name, bucket); } return static_cast(etype); } /* PArray *****************************************************************/ //========================================================================== // // PArray - Parameterized Constructor // //========================================================================== PArray::PArray(PType *etype, unsigned int ecount) : ElementType(etype), ElementCount(ecount) { mDescriptiveName.Format("Array<%s>[%d]", etype->DescriptiveName(), ecount); Align = etype->Align; // Since we are concatenating elements together, the element size should // also be padded to the nearest alignment. ElementSize = (etype->Size + (etype->Align - 1)) & ~(etype->Align - 1); Size = ElementSize * ecount; Flags |= TYPE_Array; } //========================================================================== // // PArray :: IsMatch // //========================================================================== bool PArray::IsMatch(intptr_t id1, intptr_t id2) const { const PType *elemtype = (const PType *)id1; unsigned int count = (unsigned int)(intptr_t)id2; return elemtype == ElementType && count == ElementCount; } //========================================================================== // // PArray :: GetTypeIDs // //========================================================================== void PArray::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)ElementType; id2 = ElementCount; } //========================================================================== // // PArray :: WriteValue // //========================================================================== void PArray::WriteValue(FSerializer &ar, const char *key,const void *addr) const { if (ar.BeginArray(key)) { const uint8_t *addrb = (const uint8_t *)addr; for (unsigned i = 0; i < ElementCount; ++i) { ElementType->WriteValue(ar, nullptr, addrb); addrb += ElementSize; } ar.EndArray(); } } //========================================================================== // // PArray :: ReadValue // //========================================================================== bool PArray::ReadValue(FSerializer &ar, const char *key, void *addr) const { if (ar.BeginArray(key)) { bool readsomething = false; unsigned count = ar.ArraySize(); unsigned loop = MIN(count, ElementCount); uint8_t *addrb = (uint8_t *)addr; for(unsigned i=0;iReadValue(ar, nullptr, addrb); addrb += ElementSize; } if (loop < count) { DPrintf(DMSG_WARNING, "Array on disk (%u) is bigger than in memory (%u)\n", count, ElementCount); } ar.EndArray(); return readsomething; } return false; } //========================================================================== // // PArray :: SetDefaultValue // //========================================================================== void PArray::SetDefaultValue(void *base, unsigned offset, TArray *special) { for (unsigned i = 0; i < ElementCount; ++i) { ElementType->SetDefaultValue(base, offset + i*ElementSize, special); } } //========================================================================== // // PArray :: SetDefaultValue // //========================================================================== void PArray::SetPointer(void *base, unsigned offset, TArray *special) { for (unsigned i = 0; i < ElementCount; ++i) { ElementType->SetPointer(base, offset + i*ElementSize, special); } } //========================================================================== // // NewArray // // Returns a PArray for the given type and size, making sure not to create // duplicates. // //========================================================================== PArray *NewArray(PType *type, unsigned int count) { size_t bucket; PType *atype = TypeTable.FindType(NAME_Array, (intptr_t)type, count, &bucket); if (atype == nullptr) { atype = new PArray(type, count); TypeTable.AddType(atype, NAME_Array, (intptr_t)type, count, bucket); } return (PArray *)atype; } /* PArray *****************************************************************/ //========================================================================== // // PArray - Parameterized Constructor // //========================================================================== PStaticArray::PStaticArray(PType *etype) : PArray(etype, 0) { mDescriptiveName.Format("ResizableArray<%s>", etype->DescriptiveName()); } //========================================================================== // // PArray :: IsMatch // //========================================================================== bool PStaticArray::IsMatch(intptr_t id1, intptr_t id2) const { const PType *elemtype = (const PType *)id1; unsigned int count = (unsigned int)(intptr_t)id2; return elemtype == ElementType && count == 0; } //========================================================================== // // PArray :: GetTypeIDs // //========================================================================== void PStaticArray::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)ElementType; id2 = 0; } //========================================================================== // // NewStaticArray // // Returns a PArray for the given type and size, making sure not to create // duplicates. // //========================================================================== PStaticArray *NewStaticArray(PType *type) { size_t bucket; PType *atype = TypeTable.FindType(NAME_StaticArray, (intptr_t)type, 0, &bucket); if (atype == nullptr) { atype = new PStaticArray(type); TypeTable.AddType(atype, NAME_StaticArray, (intptr_t)type, 0, bucket); } return (PStaticArray *)atype; } /* PDynArray **************************************************************/ //========================================================================== // // PDynArray - Parameterized Constructor // //========================================================================== PDynArray::PDynArray(PType *etype,PStruct *backing) : ElementType(etype), BackingType(backing) { mDescriptiveName.Format("DynArray<%s>", etype->DescriptiveName()); Size = sizeof(FArray); Align = alignof(FArray); } //========================================================================== // // PDynArray :: IsMatch // //========================================================================== bool PDynArray::IsMatch(intptr_t id1, intptr_t id2) const { assert(id2 == 0); const PType *elemtype = (const PType *)id1; return elemtype == ElementType; } //========================================================================== // // PDynArray :: GetTypeIDs // //========================================================================== void PDynArray::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)ElementType; id2 = 0; } //========================================================================== // // PDynArray :: InitializeValue // //========================================================================== void PDynArray::InitializeValue(void *addr, const void *deff) const { const FArray *def = (const FArray*)deff; FArray *aray = (FArray*)addr; if (def == nullptr || def->Count == 0) { // Empty arrays do not need construction. *aray = { nullptr, 0, 0 }; } else if (ElementType->GetRegType() != REGT_STRING) { // These are just integral values which can be done without any constructor hackery. size_t blocksize = ElementType->Size * def->Count; aray->Array = M_Malloc(blocksize); memcpy(aray->Array, def->Array, blocksize); aray->Most = aray->Count = def->Count; } else { // non-empty string arrays require explicit construction. new(addr) TArray(*(TArray*)def); } } //========================================================================== // // PDynArray :: DestroyValue // //========================================================================== void PDynArray::DestroyValue(void *addr) const { FArray *aray = (FArray*)addr; if (aray->Array != nullptr) { if (ElementType->GetRegType() != REGT_STRING) { M_Free(aray->Array); } else { // Damn those cursed strings again. :( ((TArray*)addr)->~TArray(); } } aray->Count = aray->Most = 0; aray->Array = nullptr; } //========================================================================== // // PDynArray :: SetDefaultValue // //========================================================================== void PDynArray::SetDefaultValue(void *base, unsigned offset, TArray *special) { if (base != nullptr) memset((char*)base + offset, 0, sizeof(FArray)); // same as constructing an empty array. if (special != nullptr) { special->Push(std::make_pair(this, offset)); } } //========================================================================== // // PDynArray :: SetPointer // //========================================================================== void PDynArray::SetPointerArray(void *base, unsigned offset, TArray *special) { if (ElementType->isObjectPointer()) { // Add to the list of pointer arrays for this class. special->Push(offset); } } //========================================================================== // // PDynArray :: WriteValue // //========================================================================== void PDynArray::WriteValue(FSerializer &ar, const char *key, const void *addr) const { FArray *aray = (FArray*)addr; if (aray->Count > 0) { if (ar.BeginArray(key)) { const uint8_t *addrb = (const uint8_t *)aray->Array; for (unsigned i = 0; i < aray->Count; ++i) { ElementType->WriteValue(ar, nullptr, addrb); addrb += ElementType->Size; } ar.EndArray(); } } } //========================================================================== // // PDynArray :: ReadValue // //========================================================================== bool PDynArray::ReadValue(FSerializer &ar, const char *key, void *addr) const { FArray *aray = (FArray*)addr; DestroyValue(addr); // note that even after calling this we still got a validly constructed empty array. if (ar.BeginArray(key)) { bool readsomething = false; unsigned count = ar.ArraySize(); size_t blocksize = ElementType->Size * count; aray->Array = M_Malloc(blocksize); memset(aray->Array, 0, blocksize); aray->Most = aray->Count = count; uint8_t *addrb = (uint8_t *)aray->Array; for (unsigned i = 0; iGetRegType() == REGT_STRING) new(addrb) FString; readsomething |= ElementType->ReadValue(ar, nullptr, addrb); addrb += ElementType->Size; } ar.EndArray(); return readsomething; } return false; } //========================================================================== // // NewDynArray // // Creates a new DynArray of the given type, making sure not to create a // duplicate. // //========================================================================== PDynArray *NewDynArray(PType *type) { size_t bucket; PType *atype = TypeTable.FindType(NAME_DynArray, (intptr_t)type, 0, &bucket); if (atype == nullptr) { FString backingname; switch (type->GetRegType()) { case REGT_INT: backingname.Format("DynArray_I%d", type->Size * 8); break; case REGT_FLOAT: backingname.Format("DynArray_F%d", type->Size * 8); break; case REGT_STRING: backingname = "DynArray_String"; break; case REGT_POINTER: backingname = "DynArray_Ptr"; break; default: I_Error("Unsupported dynamic array requested"); break; } auto backing = NewStruct(backingname, nullptr, true); atype = new PDynArray(type, backing); TypeTable.AddType(atype, NAME_DynArray, (intptr_t)type, 0, bucket); } return (PDynArray *)atype; } /* PMap *******************************************************************/ //========================================================================== // // PMap - Parameterized Constructor // //========================================================================== PMap::PMap(PType *keytype, PType *valtype) : KeyType(keytype), ValueType(valtype) { mDescriptiveName.Format("Map<%s, %s>", keytype->DescriptiveName(), valtype->DescriptiveName()); Size = sizeof(FMap); Align = alignof(FMap); } //========================================================================== // // PMap :: IsMatch // //========================================================================== bool PMap::IsMatch(intptr_t id1, intptr_t id2) const { const PType *keyty = (const PType *)id1; const PType *valty = (const PType *)id2; return keyty == KeyType && valty == ValueType; } //========================================================================== // // PMap :: GetTypeIDs // //========================================================================== void PMap::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)KeyType; id2 = (intptr_t)ValueType; } //========================================================================== // // NewMap // // Returns a PMap for the given key and value types, ensuring not to create // duplicates. // //========================================================================== PMap *NewMap(PType *keytype, PType *valuetype) { size_t bucket; PType *maptype = TypeTable.FindType(NAME_Map, (intptr_t)keytype, (intptr_t)valuetype, &bucket); if (maptype == nullptr) { maptype = new PMap(keytype, valuetype); TypeTable.AddType(maptype, NAME_Map, (intptr_t)keytype, (intptr_t)valuetype, bucket); } return (PMap *)maptype; } /* PStruct ****************************************************************/ //========================================================================== // // PStruct - Parameterized Constructor // //========================================================================== PStruct::PStruct(FName name, PTypeBase *outer, bool isnative) : PContainerType(name, outer) { mDescriptiveName.Format("%sStruct<%s>", isnative? "Native" : "", name.GetChars()); Size = 0; isNative = isnative; } //========================================================================== // // PStruct :: SetDefaultValue // //========================================================================== void PStruct::SetDefaultValue(void *base, unsigned offset, TArray *special) { auto it = Symbols.GetIterator(); PSymbolTable::MapType::Pair *pair; while (it.NextPair(pair)) { auto field = dyn_cast(pair->Value); if (field && !(field->Flags & VARF_Transient)) { field->Type->SetDefaultValue(base, unsigned(offset + field->Offset), special); } } } //========================================================================== // // PStruct :: SetPointer // //========================================================================== void PStruct::SetPointer(void *base, unsigned offset, TArray *special) { auto it = Symbols.GetIterator(); PSymbolTable::MapType::Pair *pair; while (it.NextPair(pair)) { auto field = dyn_cast(pair->Value); if (field && !(field->Flags & VARF_Transient)) { field->Type->SetPointer(base, unsigned(offset + field->Offset), special); } } } //========================================================================== // // PStruct :: SetPointerArray // //========================================================================== void PStruct::SetPointerArray(void *base, unsigned offset, TArray *special) { auto it = Symbols.GetIterator(); PSymbolTable::MapType::Pair *pair; while (it.NextPair(pair)) { auto field = dyn_cast(pair->Value); if (field && !(field->Flags & VARF_Transient)) { field->Type->SetPointerArray(base, unsigned(offset + field->Offset), special); } } } //========================================================================== // // PStruct :: WriteValue // //========================================================================== void PStruct::WriteValue(FSerializer &ar, const char *key,const void *addr) const { if (ar.BeginObject(key)) { Symbols.WriteFields(ar, addr); ar.EndObject(); } } //========================================================================== // // PStruct :: ReadValue // //========================================================================== bool PStruct::ReadValue(FSerializer &ar, const char *key, void *addr) const { if (ar.BeginObject(key)) { bool ret = Symbols.ReadFields(ar, addr, DescriptiveName()); ar.EndObject(); return ret; } return false; } //========================================================================== // // PStruct :: AddField // // Appends a new field to the end of a struct. Returns either the new field // or nullptr if a symbol by that name already exists. // //========================================================================== PField *PStruct::AddField(FName name, PType *type, uint32_t flags) { return Symbols.AddField(name, type, flags, Size, &Align); } //========================================================================== // // PStruct :: AddField // // Appends a new native field to the struct. Returns either the new field // or nullptr if a symbol by that name already exists. // //========================================================================== PField *PStruct::AddNativeField(FName name, PType *type, size_t address, uint32_t flags, int bitvalue) { return Symbols.AddNativeField(name, type, address, flags, bitvalue); } //========================================================================== // // NewStruct // Returns a PStruct for the given name and container, making sure not to // create duplicates. // //========================================================================== PStruct *NewStruct(FName name, PTypeBase *outer, bool native) { size_t bucket; if (outer == nullptr) outer = Namespaces.GlobalNamespace; PType *stype = TypeTable.FindType(NAME_Struct, (intptr_t)outer, (intptr_t)name, &bucket); if (stype == nullptr) { stype = new PStruct(name, outer, native); TypeTable.AddType(stype, NAME_Struct, (intptr_t)outer, (intptr_t)name, bucket); } return static_cast(stype); } /* PPrototype *************************************************************/ //========================================================================== // // PPrototype - Parameterized Constructor // //========================================================================== PPrototype::PPrototype(const TArray &rettypes, const TArray &argtypes) : ArgumentTypes(argtypes), ReturnTypes(rettypes) { } //========================================================================== // // PPrototype :: IsMatch // //========================================================================== bool PPrototype::IsMatch(intptr_t id1, intptr_t id2) const { const TArray *args = (const TArray *)id1; const TArray *rets = (const TArray *)id2; return *args == ArgumentTypes && *rets == ReturnTypes; } //========================================================================== // // PPrototype :: GetTypeIDs // //========================================================================== void PPrototype::GetTypeIDs(intptr_t &id1, intptr_t &id2) const { id1 = (intptr_t)&ArgumentTypes; id2 = (intptr_t)&ReturnTypes; } //========================================================================== // // NewPrototype // // Returns a PPrototype for the given return and argument types, making sure // not to create duplicates. // //========================================================================== PPrototype *NewPrototype(const TArray &rettypes, const TArray &argtypes) { size_t bucket; PType *proto = TypeTable.FindType(NAME_Prototype, (intptr_t)&argtypes, (intptr_t)&rettypes, &bucket); if (proto == nullptr) { proto = new PPrototype(rettypes, argtypes); TypeTable.AddType(proto, NAME_Prototype, (intptr_t)&argtypes, (intptr_t)&rettypes, bucket); } return static_cast(proto); } /* PClass *****************************************************************/ //========================================================================== // // // //========================================================================== PClassType::PClassType(PClass *cls) { assert(cls->VMType == nullptr); Descriptor = cls; TypeName = cls->TypeName; if (cls->ParentClass != nullptr) { ParentType = cls->ParentClass->VMType; assert(ParentType != nullptr); Symbols.SetParentTable(&ParentType->Symbols); ScopeFlags = ParentType->ScopeFlags; } cls->VMType = this; mDescriptiveName.Format("Class<%s>", cls->TypeName.GetChars()); } //========================================================================== // // PClass :: AddField // //========================================================================== PField *PClassType::AddField(FName name, PType *type, uint32_t flags) { return Descriptor->AddField(name, type, flags); } //========================================================================== // // PClass :: AddNativeField // //========================================================================== PField *PClassType::AddNativeField(FName name, PType *type, size_t address, uint32_t flags, int bitvalue) { auto field = Symbols.AddNativeField(name, type, address, flags, bitvalue); if (field != nullptr) Descriptor->Fields.Push(field); return field; } //========================================================================== // // // //========================================================================== PClassType *NewClassType(PClass *cls) { size_t bucket; PType *ptype = TypeTable.FindType(NAME_Object, 0, (intptr_t)cls->TypeName, &bucket); if (ptype == nullptr) { ptype = new PClassType(cls); TypeTable.AddType(ptype, NAME_Object, 0, (intptr_t)cls->TypeName, bucket); } return static_cast(ptype); } /* FTypeTable **************************************************************/ //========================================================================== // // FTypeTable :: FindType // //========================================================================== PType *FTypeTable::FindType(FName type_name, intptr_t parm1, intptr_t parm2, size_t *bucketnum) { size_t bucket = Hash(type_name, parm1, parm2) % HASH_SIZE; if (bucketnum != nullptr) { *bucketnum = bucket; } for (PType *type = TypeHash[bucket]; type != nullptr; type = type->HashNext) { if (type->TypeTableType == type_name && type->IsMatch(parm1, parm2)) { return type; } } return nullptr; } //========================================================================== // // FTypeTable :: AddType - Fully Parameterized Version // //========================================================================== void FTypeTable::AddType(PType *type, FName type_name, intptr_t parm1, intptr_t parm2, size_t bucket) { #ifdef _DEBUG size_t bucketcheck; assert(FindType(type_name, parm1, parm2, &bucketcheck) == nullptr && "Type must not be inserted more than once"); assert(bucketcheck == bucket && "Passed bucket was wrong"); #endif type->TypeTableType = type_name; type->HashNext = TypeHash[bucket]; TypeHash[bucket] = type; } //========================================================================== // // FTypeTable :: AddType - Simple Version // //========================================================================== void FTypeTable::AddType(PType *type, FName type_name) { intptr_t parm1, parm2; size_t bucket; // Type table stuff id only needed to let all classes hash to the same group. For all other types this is pointless. type->TypeTableType = type_name; type->GetTypeIDs(parm1, parm2); bucket = Hash(type_name, parm1, parm2) % HASH_SIZE; assert(FindType(type_name, parm1, parm2, nullptr) == nullptr && "Type must not be inserted more than once"); type->HashNext = TypeHash[bucket]; TypeHash[bucket] = type; } //========================================================================== // // FTypeTable :: Hash STATIC // //========================================================================== size_t FTypeTable::Hash(FName p1, intptr_t p2, intptr_t p3) { size_t i1 = (size_t)p1; // Swap the high and low halves of i1. The compiler should be smart enough // to transform this into a ROR or ROL. i1 = (i1 >> (sizeof(size_t)*4)) | (i1 << (sizeof(size_t)*4)); if (p1 != NAME_Prototype) { size_t i2 = (size_t)p2; size_t i3 = (size_t)p3; return (~i1 ^ i2) + i3 * 961748927; // i3 is multiplied by a prime } else { // Prototypes need to hash the TArrays at p2 and p3 const TArray *a2 = (const TArray *)p2; const TArray *a3 = (const TArray *)p3; for (unsigned i = 0; i < a2->Size(); ++i) { i1 = (i1 * 961748927) + (size_t)((*a2)[i]); } for (unsigned i = 0; i < a3->Size(); ++i) { i1 = (i1 * 961748927) + (size_t)((*a3)[i]); } return i1; } } //========================================================================== // // FTypeTable :: Clear // //========================================================================== void FTypeTable::Clear() { for (size_t i = 0; i < countof(TypeTable.TypeHash); ++i) { for (PType *ty = TypeTable.TypeHash[i]; ty != nullptr;) { auto next = ty->HashNext; delete ty; ty = next; } } memset(TypeHash, 0, sizeof(TypeHash)); } #include "c_dispatch.h" CCMD(typetable) { DumpTypeTable(); }